Liquefaction And Flow Behavior Of A Thermally
Decomposing Removable Epoxy Foam
Author(s)
K. L. Erickson, S. M. Trujillo, K. R. Thompson, A. C. Sun, M. L. Hobbs & K. J. Dowding
Abstract
Polymer foams are used to encapsulate units requiring thermal and mechanical
isolation in engineered systems. At high temperature, these foams chemically
decompose. Decomposing foams generally undergo charring or liquefaction
processes, while evolving low nlolecular weight species into the vapor phase.
Evolved gases and vapors can cause substantial pressurization of closed containers.
During thermal decomposition, the physical and chemical behaviors of the
foams are coupled and can significantly affect heat transfer rates to the encapsulated
units. The behavior of foams that undergo liquefaction can vary greatly depending
on both physical and thermal boundary conditions as well as on decoinpositlon
chemistry.
A renlovable, epoxy foam was recently developed. Thi
Keywords
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